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211002020211 = 3313761319971
BaseRepresentation
bin1100010010000010110…
…0110101000101110011
3202011122002112012221110
43010200230311011303
511424113004121321
6240533305324403
721146553402453
oct3044054650563
9664562465843
10211002020211
1181538159894
1234a88196703
1316b887a31c8
14a2d9359d63
15574e2b2176
hex3120b35173

211002020211 has 16 divisors (see below), whose sum is σ = 298260343808. Its totient is φ = 132451135200.

The previous prime is 211002020191. The next prime is 211002020227. The reversal of 211002020211 is 112020200112.

It is not a de Polignac number, because 211002020211 - 217 = 211001889139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30656545 + ... + 30663426.

It is an arithmetic number, because the mean of its divisors is an integer number (18641271488).

Almost surely, 2211002020211 is an apocalyptic number.

211002020211 is a deficient number, since it is larger than the sum of its proper divisors (87258323597).

211002020211 is a wasteful number, since it uses less digits than its factorization.

211002020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61320042.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211002020211 its reverse (112020200112), we get a palindrome (323022220323).

The spelling of 211002020211 in words is "two hundred eleven billion, two million, twenty thousand, two hundred eleven".

Divisors: 1 3 31 37 93 111 1147 3441 61319971 183959913 1900919101 2268838927 5702757303 6806516781 70334006737 211002020211